Samsung Galaxy Watch3 vs Samsung Galaxy S26 Ultra

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.

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2 of 3 devices The best value in a row is marked Best
Samsung Samsung Galaxy Watch3 View Specs Change
Samsung Samsung Galaxy S26 Ultra View Specs Change
Brand Samsung Samsung Empty slot
Versions SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only) — Empty slot
Announced 2020, August 05 2026, February 25 Empty slot
Released 2020, August 06 2026, March 06 Empty slot
Availability Available Available Empty slot
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE / 5G Empty slot
2G Bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900CDMA 800 / 1900 & TD-SCDMA Empty slot
3G Bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100CDMA2000 1xEV-DO Empty slot
4G Bands 1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked Empty slot
5G Bands — 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked Empty slot
Speed HSPA, LTE HSPA, LTE (CA), 5G Empty slot
Dimensions 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm 163.6 x 78.1 x 7.9 mm(6.44 x 3.07 x 0.31 in) Empty slot
Weight 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best 214 g (7.55 oz) Empty slot
Build Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), aluminum frame (Armor Aluminum 2)Stylus Feature:Passive EMR input only (No Bluetooth / Air Actions) Empty slot
Stylus — Yes, S Pen (built in, no Bluetooth/Air Actions) Empty slot
SIM eSIM (LTE models) Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INTNano-SIM + eSIM + eSIM (max 2 at a time) - USANano-SIM + Nano-SIM - CN Empty slot
Protection / IP Rating IP68 dust/water resistant, 5ATMMIL-STD-810G compliant IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)Armor Aluminum 2 Empty slot
Display Type Super AMOLED Dynamic LTPO AMOLED 2X Empty slot
Display Size 1.4 inches 6.9 inches, 115.9 cm2 (~90.7% screen-to-body ratio) Best Empty slot
Resolution 360 x 360 pixels 1440 x 3120 pixels, 19.5:9 ratio Empty slot
Pixel Density ~364 ppi ~500 ppi Best Empty slot
Refresh Rate 60Hz 120Hz Best Empty slot
Peak Brightness — 2600 nits (peak) Empty slot
Protection Corning Gorilla Glass DX Corning Gorilla Armor 2DX anti-reflective coatingPrivacy Display Empty slot
Display Features Always-On-Display HDR10+ Empty slot
Operating System Tizen Android Empty slot
OS Version 5.5 16 Empty slot
Update Support — Upgradable to Android 17; up to 7 major OS updates Empty slot
User Interface — One UI 8.5, upgradable to One UI 8.5 Empty slot
Chipset Exynos 9110 (10 nm) Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 for Galaxy (3 nm) Empty slot
CPU Dual-core 1.15 GHz Cortex-A53 Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) Empty slot
GPU Mali-T720 Adreno 840 (1.3GHz) Empty slot
RAM Options 1GB 12GB, 16GB Empty slot
Storage Options 4GB / 1GB RAM8GB / 1GB RAM 256GB / 12GB RAM512GB / 12GB RAM1TB / 16GB RAM Empty slot
Storage Type eMMC UFS 4.X Empty slot
Card Slot No No Empty slot
Cameras — Quad camera Empty slot
Modules No Camera 200 MP, f/1.4, 23mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom50 MP, f/2.9, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom50 MP, f/1.9, 120˚ (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady video Empty slot
Features — Laser AF, Best Face, Horizon Lock, LED flash, auto-HDR, panorama Empty slot
Video — 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS Empty slot
Cameras — Single camera Empty slot
Modules No Camera 12 MP, f/2.2, 23mm (wide), 1/3.2", 1.12µm, dual pixel PDAF Empty slot
Features — HDR, HDR10+ Empty slot
Video — 4K@30/60fps, 1080p@30fps Empty slot
Loudspeaker Yes Yes, with stereo speakers Empty slot
Audio Jack No No Empty slot
Audio Codec Not Available High-bitrate audio support Empty slot
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct Empty slot
Bluetooth 5.0, A2DP, LE 6.0, A2DP, LE Empty slot
GPS / Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS, GALILEO, QZSS Empty slot
NFC Yes Yes Empty slot
Radio No No Empty slot
USB No USB Type-C 3.2, DisplayPort 1.2, OTG Empty slot
Fingerprint No Yes, (under display, ultrasonic) Empty slot
Face Unlock No Yes Empty slot
Sensors Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG) Accelerometer, gyro, proximity, compass, barometer Empty slot
Other Features ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions Samsung DeX, Samsung Wireless DeX (desktop experience support)Ultra Wideband (UWB) support Empty slot
Battery Type Li-Ion Li-Ion Empty slot
Battery Capacity 340 mAh (45mm)247 mAh (41mm) 5000 mAh Best Empty slot
Wired Charging N/A 60W wired, PD3.0, 75% in 30 min Empty slot
Wireless Charging Wireless (WPC-based) 25W wireless (Qi2.2) Empty slot
Reverse Wireless Charging N/A 4.5W reverse wireless Empty slot
Colours Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold Empty slot
Models SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U SM-S948B, SM-S948B/DS, SM-S948U, SM-S948U1, SM-S948W, SM-S948N, SM-S9480, SM-S948E, SM-S948E/DS Empty slot
SAR — 1.09 W/kg (head) 1.19 W/kg (body) Empty slot
SAR EU — 1.28 W/kg (head) 1.35 W/kg (body) Empty slot

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